K katsnowie New member Joined Jul 4, 2009 Messages 1 Jul 4, 2009 #1 What is the magnitude of 8+4i? A. 4.15 B. 8.94 C. 12.00 D. 18.64 E. 32.00 Please help me. Thank you very much !
What is the magnitude of 8+4i? A. 4.15 B. 8.94 C. 12.00 D. 18.64 E. 32.00 Please help me. Thank you very much !
L Loren Senior Member Joined Aug 28, 2007 Messages 1,298 Jul 4, 2009 #2 Plot the point on the rectangular coordinate system and find the length of the segment from the origin to the point.
Plot the point on the rectangular coordinate system and find the length of the segment from the origin to the point.
pka Elite Member Joined Jan 29, 2005 Messages 11,978 Jul 4, 2009 #3 katsnowie said: What is the magnitude of 8+4i? Click to expand... \(\displaystyle \left| {a + bi} \right| = \sqrt {a^2 + b^2 }\)
katsnowie said: What is the magnitude of 8+4i? Click to expand... \(\displaystyle \left| {a + bi} \right| = \sqrt {a^2 + b^2 }\)
